Vulnerability in GitLab
CVE-2022-4131
An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.8 before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. An attacker may cause Denial of Service on a GitLab instance by exploiting a regex issue in how the application parses user agents.
Vulnerability class: ReDoS (Regular Expression Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.008 (56.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- GitLab — versions >=10.8, <15.5.7, >=15.6, <15.6.4, >=15.7, <15.7.2
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/383598 (Broken Link)
- hackerone.com/reports/1772063 (Permissions Required, Third Party Advisory)
- gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-4131.json (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-4131?
- CVE-2022-4131 is a medium-severity vulnerability in GitLab, classified under Inefficient Regular Expression Complexity. CVSS score: 4.3/10. Published 2023-01-12.
- How severe is CVE-2022-4131?
- Medium severity. CVSS v3 base score is 4.3 out of 10.